Category: Accident Reports –  Page 4

Lion Air flight 610 and the AOA Disagree alert

I wrote before that Lion Air’s Boeing 737 had a faulty AOA sensor which was replaced the day before Lion Air flight 610. The new sensor was out of alignment by about 21°, one of the key factors leading to the uncommanded MCAS trim which caused the crash. Under normal circumstances, this would have been…

Read more… 24 Apr 20

Part 2: The Analysis of Southern Airways flight 932

This is a continuation from my post last week on the crash of Southern Airways flight 932. In that post, I stepped through the sequence of events which led to the crash of the charter flight to Huntington Tri-State airport in a McDonnell Douglas DC-9 which killed all 75 on board. The Chairman of the…

Read more… 27 Mar 20

The Crash of Southern Airways flight 932

On the 14th of November in 1970, a McDonnell Douglas DC-9 crashed on final approach to the Huntington Tri-State airport in West Virginia, killing all 75 on board. The aircraft had been chartered as Southern Airways flight 932 to carry the Marshall University Football team, along with their coaches and fans (known as boosters) back…

Read more… 20 Mar 20

Lion Air 610: The Faulty AOA Sensor

Previously, I stepped through the maintenance of the aircraft registered PK-LQP, which was destroyed in the crash of Lion Air flight 610 on the 29th of October 2018. From that post, it is clear that the aircraft was released back into service with a faulty AOA sensor on the left (Captain’s) side. Now I’d like…

Read more… 21 Feb 20

Lion Air flight 610 : The Maintenance

One of the aspects of Lion Air flight 610 has been the quality of the maintenance. It is clear, now, that intermittent problems related to the air data system had been logged and clearly had not been resolved in a satisfactory manner. I have been wanting to do a deeper analysis of the various aspects…

Read more… 3 Jan 20

When Pre-Flight Prep Becomes Criminal

The accident took place on the 9th of September 2017 shortly after take-off from Manchester City Airport, a municipal airfield near the Manchester Ship Canal in the north of England. Manchester City Airport opened in 1930 and has not changed much since then: the control tower, terminal building and hangar are all the original buildings…

Read more… 1 Nov 19

Accident Reports

Fatal Seaplane Crash at Oshkosh

The flight crew is often the last safety net when things go wrong, making their failures an easy target for us to point at. After all, if the pilot can…

Never Just One Thing: Air Midwest flight 5481 part 2

Last week, we looked at the weight and balance of Air Midwest 5481, which had been underestimated for a number of different reasons. However, although the aircraft was overweight and…

Demystifying

Maintaining the Stores

We don’t often talk about parked aircraft because it is not very common for them to be involved in crashes. However, one of the side-effects of these pandemic times is…

How Many Successful Ditchings of Commercial Airliners?

When I was learning to fly, I remember someone in the pilots’ bar insisting that all that talk about life jackets under your seat was a waste of time; if…

History

The Last Known Whereabouts of the White Bird

The disappearance of L’Oiseau Blanc in 1927 is one of the enduring mysteries of aviation history. The pilots eventually achieved their goal of changing aviation history, but certainly not in…

The History Listen

I was on the radio on the Australian Broadcasting Corporation, in a show called The History Listen. They asked me to tell them about a famous story in Australian and…

Fun Stuff

The Tetris Challenge

When the Kantonspolizei Zürich (the police department of the Swiss canton of Zurich) posted a photograph on Facebook showing the contents of a standard patrol car, they had no idea…

The History Listen

I was on the radio on the Australian Broadcasting Corporation, in a show called The History Listen. They asked me to tell them about a famous story in Australian and…